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[PATCH 04/16] target/arm: Set ID_DFR0.PerfMon for qemu-system-arm -cpu m
From: |
Richard Henderson |
Subject: |
[PATCH 04/16] target/arm: Set ID_DFR0.PerfMon for qemu-system-arm -cpu max |
Date: |
Fri, 8 Apr 2022 17:07:30 -0700 |
We set this for qemu-system-aarch64, but failed to do so
for the strictly 32-bit emulation.
Fixes: 3bec78447a9 ("target/arm: Provide ARMv8.4-PMU in '-cpu max'")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/arm/cpu_tcg.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/target/arm/cpu_tcg.c b/target/arm/cpu_tcg.c
index 43ac3e27fa..9569e496e0 100644
--- a/target/arm/cpu_tcg.c
+++ b/target/arm/cpu_tcg.c
@@ -1029,6 +1029,10 @@ static void arm_max_initfn(Object *obj)
t = cpu->isar.id_pfr2;
t = FIELD_DP32(t, ID_PFR2, SSBS, 1);
cpu->isar.id_pfr2 = t;
+
+ t = cpu->isar.id_dfr0;
+ t = FIELD_DP32(t, ID_DFR0, PERFMON, 5); /* v8.4-PMU */
+ cpu->isar.id_dfr0 = t;
}
#endif /* !TARGET_AARCH64 */
--
2.25.1
- [PATCH 00/16] target/arm: Implement features Debugv8p4, RAS, IESB, Richard Henderson, 2022/04/08
- [PATCH 01/16] target/arm: Add isar predicates for FEAT_Debugv8p2, Richard Henderson, 2022/04/08
- [PATCH 03/16] target/arm: Update qemu-system-arm -cpu max to cortex-a57, Richard Henderson, 2022/04/08
- [PATCH 02/16] target/arm: Adjust definition of CONTEXTIDR_EL2, Richard Henderson, 2022/04/08
- [PATCH 04/16] target/arm: Set ID_DFR0.PerfMon for qemu-system-arm -cpu max,
Richard Henderson <=
- [PATCH 05/16] target/arm: Split out arm32_max_features, Richard Henderson, 2022/04/08
- [PATCH 06/16] target/arm: Annotate arm_max_initfn with FEAT identifiers, Richard Henderson, 2022/04/08
- [PATCH 08/16] target/arm: Enable FEAT_Debugv8p2 for -cpu max, Richard Henderson, 2022/04/08
- [PATCH 07/16] target/arm: Use field names for manipulating EL2 and EL3 modes, Richard Henderson, 2022/04/08